Development of a magnetoelastic torque transducer for automotive transmission applications

SAE Technical Papers

Volumn , Issue , 1997, Pages

  Garshelis, IVan J ^a   Aleksonis, Jonas A ^b   Jones, Christopher A ^b   Rotay, Robert M ^c  

^a Magnetoelastic Devices Inc

^b Methode Electronics Inc   (United States)

^c CENTRO RICERCHE FIAT   (Italy)

Author keywords

[No Author keywords available]

Indexed keywords

TRANSDUCERS;

AUTOMATIC TRANSMISSION; AUTOMOTIVE TRANSMISSIONS; MAGNETO-ELASTIC; NON-CONTACT MODE; OUTPUT TORQUE; REAR WHEELS; SENSING ELEMENTS; TORQUE TRANSDUCERS;

TORQUE;

EID: 85072451918     PISSN: 01487191     EISSN: 26883627     Source Type: Journal    
DOI: 10.4271/970605     Document Type: Conference Paper

References (28)

1. Fleming William J., "Magnetostrictive Torque Sensors-Derivation of Transducer Model" SAE Paper No. 890482, (1989).
2. Aoki Hiroyuki, Maruyama Junichi, Shimada Munekatsu, Tanizaki Katsuji, Yahagi Shinichiro, and Saito Takanobu, "Torque Sensor with Shape Anisotropy" Tech. Digest of the 7th Sensor Symposium, 83-86, (1988).
3. Sobel Jarl R., Jeremiasson Jan, and Wallin Christer, "Instantaneous Crankshaft Torque Measurement in Cars" SAE Paper No. 960040, (1996).
4. Ibamoto Masahiko, Kuroiwa Hiroshi, Minowa Toshimichi, Sato Kazuhiko, and Tsuchiya Takeshi, "Development of Smooth Shift Control System with Output Torque Estimation" SAE Paper No. 950900, (1995).
5. Minowa Toshimichi, Kurata Kenichirou, Kuroiwa Hiroshi, Ibamoto Masahiko, and Shida Masami, "Smooth Torque Control System Using Differential Value of Shaft Speed" SAE Paper No. 960431, (1996).
6. AISI/SAE 8620, Composition: C- 0.18/0.23; Mn-0.70/0.90; P- 0.035 max; S- 0.040 max; Si- 0.15/0.30; Ni-0.40/0.70; Cr- 0.40/0.60; Mo- 0.15/0.25; Fe- balance. For recommended heat treatments and mechanical properties, see, for example, Engineering Properties of Steel, Harvey Philip D., Editor, American Society for Metals, pp 189-193, (1982).
7. Zabler Erich, Heintz Frieder, Dukart Anton, and Krott Peter, "A Non-Contact Strain Gage Torque Sensor for Automotive Servo Driven Steering Systems" SAE Paper No. 940629, (1994).
8. Turner J. D., "The development of a thick-film non-contact shaft torque sensor for automotive applications" J. Phys. E: Sci. Instrum., 82-88, (1989).
9. Machine Design, 48, Description of a torque sensor based on the stress dependence of surface acoustic waves (SAW) developed by Sensor Technology Ltd., Banbury, UK (Jan. 11, 1996).
10. Series I and Series II Torque Transducers, manufactured by Vibrac Corporation of Amherst, NH, and described in company literature, are claimed to obtain 1% accuracy with 0.5° full scale deflection using optical shutter techniques.
11. See for example: U.S. Patent No. 5,394,760 (1995), Persson E. K., Webber P. K., and Perry D. L., "Torque Sensor for a Power Assist Steering System" Assigned to TRW Inc.
12. Bozorth Richard M., Ferromagnetism, D. Van Nostrand, Princeton, NJ (1951), p 12.
13. Fleming William F., "Magnetostrictive Torque Sensors-Comparison of Branch, Cross, and Solenoidal Designs" SAE Paper No. 900264, (1990).
14. Shimada Munekatsu, "Magnetostrictive torque sensor and its output characteristics" J. Appl. Phys., 73, (10) 6872-6874, (1993).
15. Bozorth R. M., Ferromagnetism, D. Van Nostrand, Princeton, NJ (1951), pp 595-627.
16. Bozorth R. M., Ferromagnetism, D. Van Nostrand, Princeton, NJ (1951), p 632.
17. Schulze Alfred, "Magnetostriction I." Z. Physik, 50, 448-505, (1928).
18. Bozorth R. M., Ferromagnetism, D. Van Nostrand, Princeton, NJ (1951), 602.
19. U.S. Pat. No. 5,495,774 (1996), Klauber R. D., Vigmostad E. B., and Sprague F. P., "Magnetostrictive Torque Sensor Air Gap Compensator" Assigned to Sensortech L. P.
20. U.S. Pat. No. 5,107,711 (1992), Aoki H., Yahagi S., and Saito T., "Torque Sensor" Assigned to Nissan Motor Co. Ltd.
21. U. S. Pat. No. 4,506,554 (1985), "Magnetoelastic Torque Transducer", Blomkvist K., and Nordvall J. O., Assigned to ASEA Aktiebolag.
22. Garshelis I. J., and Conto C. R., "A torque transducer utilizing a ring divided into two oppositely polarized regions" J. Appl. Phys. 79 (8), 4756-4758, (1996).
23. Garshelis I. J., "A Torque Transducer Utilizing a Circularly Polarized Ring" IEEE Trans. Magn., 28, 2202-2204, (1992); Garshelis I. J., "Investigations of Parameters Affecting the Performance of Poarized Ring Torque Transducers" IEEE Trans. Magn., 29, 3201-3203, (1993).
24. U. S. Pat. Nos. 5,535,555 (1994); 5,465,627 (1995) and 5,520,059 (1996), Garshelis I. J., "Circularly Magnetized Non-Contact Torque Sensor and Method for Measuring Torque Using Same" Assigned to Magnetoelastic Devices, Inc.
25. Garshelis Ivan J., Whitney Kristen, and May Lutz, "Development of a Non-Contact Torque Transducer for Electric Power Steering Systems" SAE Paper No. 920707, (1992).
26. Garshelis Ivan J., "Magnetic and Magnetoelastic Properties of 18% Ni Maraging Steels" IEEE Trans. Magn, Vol. 26, 1981-1983, (1990).
27. Gordon Daniel I., and Brown Robert E., "Recent Advances in Fluxgate Magnetometry" IEEE Trans. Magn., MAG-8, 76-82, (1972).
28. Garshelis Ivan J., Conto Christopher R., and Fiegel Wade S., "A Single Transducer for Non-Contact Measurement of the Power, Torque and Speed of a Rotating Shaft" SAE Paper No. 950536, (1995).